Gunnar admonishes Scarlett for her new relationship with Dr. Rand, but Scarlett points out it's none of his business. He started dating Zoey, her closest friend, while Scarlett was waiting for him to come back to her for the right reasons. Gunnar is in shock. She was waiting for him? Watch Scarlett and Gunnar have a long-overdue conversation in this scene from Nashville Season 3, Episode 17: "This Just Ain't a Good Day for Leavin'."